Originally Posted by Oranoco
You are aware that the FRST had 2 different engine management systems don't you? Both were Fords EEC4 but it came in OFAB and OFAC and the two aren't interchangable.
Nice one m8 cheers for that i only had OFAB ecu's i tried a OFAC and the car is running alopt better but it still isnt running correct and will not rev properly
